Die-casting machine



P, L. SBOLE.

CASTING MACHIN APPUCATION ULEB small.

Application le. Maren 5, 192e. Serialfo.

To all whom may conceive;

,l'lc it known that ll lEuoY L Slimme, a citizen ol' 'the Unite Scales, residing at Swissvale, in she County oi Allegheny end Sfilate of Pennsylvanie, have invenled. new and useful. lmprovemenes in. Die-east ll/lugclimee or which the following ie e speciliinrentioin relates 'lo die casting nialloierling lo ehe accompai'iying drawing, l'igure l is u ce'vnral vertical section oi a structure enabodyingr one 'fo'smoi1 iiiy invenlione parte being in elevation; Fig E2, a plan View vhereo'fa and 1Fig. 3, e, section on the line alf-lll'on l? l,

@n the drawing, l designates a anlz coinpoeed o any Suitable material which does noi, melt el; the. tei/'operatore of the molten materiel therein. T he tank has in the Ceulaer of its boil-om wall 2 the oullel; opening 37 which is conlinued downwardly by line oui;m

leiJ passage Willi which ilhe passage 5 coininruiicaee, he latter leading a mol-fl nol;

Shown),

6 ie verbical cylinder having its central opening registering, or in line,w1lh lie opening); end secured to 'the bottom 2 by the bolts 7l, il non-combustible annular gaske 8 inervenes between the bottoni 2 and the bottoni of the cylinder. The top ofi-he cyl inder supports an annuler non-combustjible gaskel; 9, on which is seated the lowerheed l() having therein a downwardly tapered opening in axial `alinezment with the axial cenlei' of the cylinder.y The screws l secure the ring l0 *no the cylinder. Above the head l() is the upper head 1l having therein anup- Wardly sapering opening also in axial alinen men?J with the axial center of che cylinder.. Pius lil pass through the rings and nilo the lol; of the cylinder to vguide the upper head and hold it in proper position. rlhe non combustible packing ring 13 has ite' opposilc ende reversely tapered and seated in the' correspondingly tapered openings in the ringe, The packing ring is sulliciently thick ver'tieally lo keep the heads l0 and l1 spaced 'llhc parking; ey be coiopoeed of Specification of Leiters Patent.

various maleiials lhave found a iniziture confoaining graphie and asbeeioe o be eatisfaetoi'y,

14 is a yenroieal pieton or plunger :lill-ing theopenin'g; in the packing ring* and reeiprocable within the cylinder 6. 'lhe plunger is made oil metal or belieli'e, or other euiable non-conihusible material,` cast on the siem or rod which eireende from the bottom of ihe plunger upv." ly through the saine and Serves as .en elemenl:x which power may he applied lo reciprocate lie plunger. The rod l is flared at iis lower eed, Shown :it l and made larger in diameter just at the top or the cylinder to j irevenll relaive'xnovemen of ehe plunger and the rod.

17 is a'orose-ber having its cndsvconn'eeted io opposite portions of `the tank by the bolts l@ Tlf he cross-bar has lhe hearing or thimble 19 through which lle rod l5 passes. rlhe oke 20 is secured to the croseber 1'? by the )olle 21 passing bhrough the feel; 22 or" fthe yoke into the cross-bar. The top of' the yoke is at seine dieianoe above ihe croseba'i' and is provided Wil-li en. openiag; `Which contains the bearing; yoi' 'liinible lhrough which the rod l passes. The upper end of libhe rod` has ehe longue 24C to which en'T suitable applience may be. atlached for moving the rod up and down.

The pliuiger lll has a smaller diameter then the cyliiideia 6 eo (at the former cannot engage the cylinder 'Wall orbe so close 'lo il; as po afford an opportunity for the plunger and cylinder to ireezel7 or stick together. llf found necessary, lugs 25 may projeel, oui- Wardly from ehe boom oi the plunger and form a, spacing ineens and a bearing for the plunger agaiiis ehe cylinder Wall.

v Screws 26 are threaded "hrough the crossbar l?. They engage the top of elle ring ll for 'hepurpose oi' 'adjusting the paeking' 13 to make it it the plunger ightlyr.

' The heads of the screws may be turned by a ivre-noli inserted through the holes 27 in the iop member of the yoke 20.

One eide of the cylinder (l hais an opening', its outer end conezituiing a. `valve s eei 28. lin horizonial alineinen'; Willi lhe said valveseall opening' ie thelargger threaded opening; 29 the side Wall oi the tank l. liuto this opeigiinej '29 through which he valve-stem 3l. extends in alinenleii Wil/h the Valveeea opening. The inner end oi the siero is shaped lo Coreespond to ille shape of vhe 28. The

lll

and. scfews im the @sid l me summing- .lszz 33 is a. iwnf-Qmbus-ibl@ packing filling 'lie sumg-bo sind cap, so limi-,

alie cap screwed down, il; will cause the paclimg l the siem mmm suiely;

(l. Ta

ring l0 smal il? all@ spxosing @if u paid rings? uppeif fas@ @if die lippe/i lli pvtlon ai?, lle packing :fing i3, lie 'appar per-tion ci: lie plunge? 143'-, sind parlions ci? lie Smews ,VWM/i1 siem 3l is Malm; off by die rlsaron the handle 2%, th@ mezal in lliejlganlrws pat the seat 2g im@ the cylinder il and the passages 4 and 5 When the cylinder is fillmzl *che lmncll@ is 'l-umd as', to make the stem 31 clos@ the saai; 28? and; lle md is @paal/cl to causa the plunger to descend and force the molten metal iii the cylindi and passages al and 5 im eilte? a meld Suiallly connected C0 she passage This operation is Well known and naked. uol; be fuiphe ilescmbeil.'

1; tlm pi-ioi art? s@ im :is l am aware@ no asking fing coii'spmlmg i@ my pnzklng L3 l as been used; 110; him lie, cylinder The 355 l: 'Viovidecl will; a valved inkl;v

,he iqte'ios of the uifi. i Se @losely prevail; the mi invii@- til@ plunge?, oilumigli he iilm` openil-fei: h@ plungeuis W5S 'he Same. lilith close i'it of ih@ cli/'limiter :mil the the latter Wmilri wijf; mequsnily u owing to the expansion ami contraction of the parts or t@ a Coa'aing of 'die molten metal adhering' o flle piling@ .Smil lie cylindex avoid lie laitier Olijmtimi by spacing my plunger and cylinder' apau so that there is wom for free circulation 0f the molten metal in the Spacca Il. prevent leaktlie metal back into 'Lilie tank by using; valve. preven lie leaking' of die metal pat ih?, plunger .by using he packing 13. I

i Claim:

family, lio com having iis iniiiiaiiicaion Wili lie recipa'acable @imm ami spaced laaiilj packing cloimf willi and Uf" the pluiifr' giapnie 4f. in a lie cms conaiii molle.; iomble iliefein @me lie Wall of 'lle cylinder zi cking suimuucllng lle plimgi' anni ''Grmii'w fa bezfaing illifel'fm and a member lie pli'liige from -he Sides and cap of @The chamber.,

5. n :a die casting; machine, s, cyinclei to contain molten msnl plm berein and space? 5mm ill@ Wall of the cyl- Linder, and Spaed pQiBQ-cairied by the plunger and engaging; lie wall of lle cylindei'.

(i. n 2, die @mixing mac conifzin .moli s l mcable they@ the cylinde Chambery luge? recipcoil bemin plunge?, ma means :Cfr adjusiiig pile .packmii, and scirws plunger, a and. :adapted Ji re'ciproable. 

